SUNConferences, Computers and Industrial Engineering 42

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An Approach For Evaluation Of Cutting Strategies For Milling Of TI6AL4V
Pieter Conradie, Dimitar Dimitrov, Mike Saxer

Last modified: 2012-07-02

Abstract


It is well known that Titanium is an excellent material to use in the aerospace industry due to its high strength-to-weight ratio, low modulus of elasticity, exceptional resistance to corrosion, and ability to maintain its strength at elevated temperatures. These properties make titanium a very difficult to machine material. Extensive research has been done in the past couple of years to find ways of improving the productivity of machining operations. Numerous experiments and tests have been performed with different cooling strategies and cutting tools and there is a vast amount of papers published in these fields. Although the research have yielded positive results in terms of improved cutting time and material removal rate, it is not yet considered to have reached the near optimum conditions. This leads to the assumption that quantum leaps cannot be expected in machining of titanium and improvement potential is mainly in machining strategies.

This paper discusses cutting strategies for milling titanium that have been used in the industry and improvements made in the field. The strategies are analysed and an evaluation approach from cost minimisation point of view has been presented with the purpose to contribute to an improved process planning of milling operations.

 


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